A tiny house showcases the busy life of a local gnome.

The nerve center of a massive, state-of-the art radio telescope that sprawls across Western Europe.

Stained-glass windows inspired by Vincent van Gogh's paintings decorate this church in the town where the artist's career began.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

This historical Netherlands fortress still bears the marks of its single siege.

A grassy pyramid named after a French battle.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

Amsterdam's former hotspot for public executions and dissections.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Graffiti covers the walls of a room where university students through the centuries have waited nervously to defend their theses.

This Dutch art piece became a Russian icon.

Albert Einstein would often sit in this chair during visits to the observatory to discuss science with Willem de Sitter.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

The house of physicists Paul Ehrenfest was also a temporary dwelling and study for his good friend Albert Einstein.

This historic Dutch newspaper building is covered with media-themed details—and one unrelated oddity.

A curious collection dedicated to human and animal anatomy and pathology.

A giant yellow phallus sculpture hidden in the gardens of the Museum Boijmans Van Beuningen.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

A huge teapot illuminates a home for the elderly.

A statue of the second-tallest Dutchman in history.

The bridges portrayed on EU currency aren't fictional anymore.

Peek through a transparent pyramid and drink in the mountain made of books.

This unique sculpture proved invaluable when it saved a train from careening off the tracks.